Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163622 | Filter | Herbert Zegg | 2007-01-16 |
| 5145121 | Apparatus for crushing or grinding of fibrous material, in particular drum refiner | — | 1992-09-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163622 | Filter | Herbert Zegg | 2007-01-16 |
| 5145121 | Apparatus for crushing or grinding of fibrous material, in particular drum refiner | — | 1992-09-08 |